About Us:
Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 56 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower businesses with agile digital at scale to deliver unprecedented levels of performance and customer satisfaction. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovative ecosystem.
Recognized as the #1 Top Employerin Australia for the second year in a row, Infosys offers a workplace where careers grow with purpose. As an AI‑first organization, we empower our people to work on next‑generation technologies, continuously learn, and create impact at scale—supported by a culture rooted in care, inclusion, and excellence.

• ️Join Infosys and be part of a culture that’s not just promised—it’s certified. #TopEmployer2026 #ThriveAtInfosys

Visit www.infosys.com to see how Infosys (NYSE: INFY) can help your enterprise navigate your next.

Location: Sydney , Australia.

Salary: AUD 150742 - 171215 Annual Gross

Please Note: The above salary range is only indicative and maybe subject to suitable enhancements, based on internal company processes.

Flexible working arrangements (hybrid, reviewed case-by-case basis). Feel free to connect with your recruiter to learn more about how this works in practice.

Experience
12-15 years

Role Overview
We are seeking a highly skilled .NET Architect to design and lead the development of scalable, high-performance enterprise applications using Microsoft technologies. The ideal candidate will be responsible for defining architecture, establishing best practices, and guiding development teams in delivering robust cloud-native and on-premise solutions.

Key Responsibilities
TArchitecture & Design

1. Define and implement end-to-end application architecture using Microsoft .NET technologies.
2. Design scalable, secure, and high-performance systems (microservices, event-driven, SOA).
3. Create architecture diagrams, design documents, and technical roadmaps.
4. Select appropriate design patterns, frameworks, and tools.

Technology Leadership

1. Provide technical leadership and mentoring to development teams.
2. Establish coding standards, governance, and best practices.
3. Conduct design reviews and code reviews.
4. Drive modernization initiatives (legacy to cloud, monolith to microservices).

Development & Integration
Guide development using: ASP.NET Core, .NET 6/7/8+, Web APIs, RESTful services
Design and implement API-first architectures.
Ensure system integrations using: Messaging (Azure Service Bus, Kafka, RabbitMQ) & Third-party services & APIs

Data & Security
1. Design efficient data models and database strategies:
2. SQL Server, Cosmos DB, NoSQL
3. Implement security best practices:
4. OAuth2, OpenID Connect, IdentityServer

Performance & Optimization
1. Perform performance tuning, scalability planning, and load testing.
2. Optimize applications for high availability and fault tolerance.

Stakeholder Collaboration:
1. Collaborate with business stakeholders, product owners, and architects.
2. Translate business requirements into technical solutions.
3. Provide effort estimation and technical feasibility analysis.

Required Skills & Experience
Core .NET Expertise

Strong experience in:
C#, .NET Core / .NET Framework
ASP.NET Core MVC / Web API

Deep understanding of:
OOP, SOLID principles
Design patterns (Factory, Repository, CQRS, etc.)

Architecture Skills
Experience with:
Microservices architecture
Event-driven systems
Domain-driven design (DDD)

Cloud & DevOps
Hands-on experience with:
Microsoft Azure services (App Service, AKS, Functions)
CI/CD pipelines
Infrastructure as Code (ARM, Bicep, Terraform)

Databases
Expertise in:
SQL Server / Azure SQL
NoSQL databases (Cosmos DB, MongoDB

Strong leadership and mentoring ability
Excellent communication and stakeholder management
Problem-solving and analytical thinking
Decision-making skills for complex technical scenarios.

In addition to compensation aligned with your role, you’ll have access to a wide range of benefits that support your health, career growth, and overall well-being (AU)

• Income Protection Insurance
• Paid Parental and Volunteer leaves
• Employee Assistance Program (EAP)
• Flexible working arrangements (hybrid, reviewed case-by-case basis)
• Health Insurance Discount and Well-being Program
• Access to Fitness and Gym Memberships
• Salary packaging and novated leasing

Our recruitment and selection process is designed to create the best match for both you and Infosys. Depending on the role, it may include an initial screening, technical or functional interviews, and conversations focused on cultural alignment and shared values. We are committed to making the experience transparent, respectful, and engaging at every step.

Hear from our recruiter on their experience working with Infosys as an Employer
At Infosys, we recognize that everyone has individual requirements. If you are a person with disability, illness, or injury and require adjustments to the recruitment and selection process, please contact our Recruitment team for adjustment either via the following email Infy_REC_Helpdesk@infosys.com or call 1-866-472-0935. Alternatively, you can include your preferred method of communication in email, and someone will be in touch.

Please note in order to protect the interest of all parties involved in the recruitment process, Infosys does not accept any unsolicited resumes from third-party vendors. In the absence of a signed agreement, any submission will be deemed as non-binding and Infosys explicitly reserves the right to pursue and hire the submitted profile. All recruitment activity must be coordinated through the Talent Acquisition department.